Small apps that do one thing well.

A small, fast, genuinely relaxing Sudoku that explains your mistakes instead of just flagging them — and never forces an ad in your face.

• Unlimited puzzles generated on-device, five difficulties
• Mistakes explained, not just marked red
• Light, dark & sepia themes with system auto-switch
• Auto-updating pencil marks & unlimited undo
• Optional hints and auto-fill, never required
• Optional anonymous solve-time comparison, no account

A mantra and tally counter built to do one thing well: count. For japa, mantra repetition, exercise reps, habits — anything you tally.

• Tap-to-count with a large, responsive counter
• Multiple counters, each with name, color & round length
• Daily & lifetime totals, calendar view with monthly stats
• Home-screen widget & optional daily reminder
• Export/import backups you control
• Everything stored on-device — no accounts, no trackers

A fast, no-fuss temperature, medicine & symptom log for the whole family — built around a high-resolution fever chart you can actually share with a doctor.

• Log a temperature (°C/°F), dose, or symptom in seconds
• Per-member history with smart medicine & symptom autocomplete
• High-res shareable fever chart with dose markers & day bands
• Full date & time editing for backdated entries
• Tracks current fever-episode duration automatically
• Available in English, Hindi, Spanish, French, German, Portuguese & Indonesian
• Everything stored on-device — no accounts, no sign-in